TenCate TC410 PRODUCT DATA SHEET

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1 DESCRIPTION TC41 is TenCate s newest high performance cyanate ester resin system designed specifically for the latest generation of radomes and satellite structures. TC41 is unique in that it allows for low stress cures at while achieving extremely low moisture absorption and high conversion levels. The lower cure temperature allows for lower stress in part fabrication. TC41 possesses all the key attributes for satellite use with good resistance to atomic radiation, low microcracking and excellent resistance to process moisture. TC41 possesses low dielectric and loss tangents for radome usage. FEATURES > > Low stress-free cure temperature capable > > Low temperature cure for low stress-free part stability > > Passes and exceeds space requirements for outgassing > > Low CTE and CME > > Extremely low moisture absorption. Resin is asymptotic after 2 days with less than.35% moisture absorption in a 75% RH environment > > Good dielectric and loss tangent PRODUCT TYPE Cure, Toughened Cyanate Ester Resin System TYPICAL APPLICATIONS > > Satellite structure > > Optical benches > > Reflectors > > High dimensional stability space structures > > Ideal for radomes and radar transparent structures SHELF LIFE Tack Life: Out Life: Frozen Storage Life: Up to 7 days at ambient Up to 7 days at ambient 6 months at -18 C (< F) Tack life is the time during which the prepreg retains enough tack, drape, and handling for component lay-up. Out life is the maximum time allowed at ambient temperature before cure. *Ambient is C (65 72 F). NEAT RESIN PROPERTIES Density Dry T g by DMA Wet T g by DMA Dry T g by DMA Wet T g by DMA Moisture Absorption Outgassing (ASTM E595) 1 Dimensional Stability g/cc 1.14 g/cc after post cure 112 C (234 F) cured at 127 C (26 F) 123 C (253 F) cured at 127 C (26 F) conditioned at 71 C (16 F), 85% RH for 21 days 181 C (258 F) post cured at for 2 hours 176 C (349 F) post cured at for 2 hours conditioned at 71 C (16 F), 85% RH for 21 days 1.7% after 313 days at 71 C (16 F), 85% RH TML CVCM WVR TML-WVR CTE CME.29 % <.1%.17 %.12 % µin/in/ F 125 µin/in/% *Out life tested by on a 15 x 15 cm (6 x 6 ) laminate, cured in an autoclave. Users may need to separately evaluate out life limits on thicker, larger, and more complex parts. More information: info@tcac-usa.com (North America/Asia/Pacific) tcacsales@tencate.com (Europe/Middle East/Africa) Page 1/7

2 Moisture Absorption, %.8%.7%.6%.5%.4%.3%.2%.1%.% 95% humidity 75% humidity 33% humidity Typical Cyanate Ester, 75% humidity Time, Hours TC41 neat resin moisture absorption at room temperature at humidity soaks ranging from 33% to 95% demonstrating TC41 s superior resistance to moisture uptake. 1 Data provided by ITT Space Systems Division. MECHANICAL PERFORMANCE M55J, 9gsm UD TAPE RT 71 C (16 F) Dry 71 C (16 F) Wet RT 71 C (16 F) Dry 71 C (16 F) Wet Test Details Cure temp. = 3 hours cure Cure temp. = 2 hours cure Wet Conditioning = 71 C (16 F), 85% RH for 21 days Data normalized to 6% fiber volume Page 2/7

3 MECHANICAL PROPERTIES Properties Condition Method Results (a) Results (b) Results (c) Results (d) RTD ASTM D MPa 319 ksi 296 MPa 34 ksi 688 MPa 99 ksi 731 MPa 16 ksi RTD ASTM D GPa 45 Msi 269 GPa 39 Msi 22 GPa 3.2 Msi 28 GPa 4 Msi ETD ASTM D MPa 283 ksi 1993 MPa 289 ksi 578 MPa 84 ksi 669 MPa 97 ksi ETD ASTM D GPa 41 Msi 296 GPa 43 Msi 25 GPa 3.6 Msi 27 GPa 4 Msi ETW ASTM D MPa 282 ksi 248 MPa 297 ksi 53 MPa 73 ksi 579 MPa 84 ksi ETW ASTM D GPa 47 Msi 31 GPa 45 Msi 23 GPa 3.3 Msi 28 GPa 4 Msi RTD ASTM D MPa 138 ksi 12 MPa 148 ksi 725 MPa 15 ksi 577 MPa 84 ksi RTD ASTM D GPa 47 Msi 317 GPa 46 Msi 3 GPa 4 Msi 28 GPa 4 Msi ETD ASTM D MPa 122 ksi 896 MPa 13 ksi 567 MPa 82 ksi 493 MPa 71 ksi ETD ASTM D GPa 48 Msi 317 GPa 46 Msi 3 GPa 4 Msi 28 GPa 4 Msi ETW ASTM D MPa 1 ksi 745 MPa 18 ksi 546 MPa 79 ksi 492 MPa 71 ksi ETW ASTM D GPa 45 Msi 345 GPa 5 Msi 29 GPa 4 Msi 27 GPa 4 Msi RTD ASTM D MPa 147 ksi 155 MPa 153 ksi 727 MPa 16 ksi 814 MPa 118 ksi RTD ASTM D GPa 37 Msi 262 GPa 38 Msi 21 GPa 3 Msi 25 GPa 3.7 Msi ETD ASTM D MPa 125 ksi 834 MPa 121 ksi 634 MPa 92 ksi 652 MPa 95 ksi ETD ASTM D GPa 37 Msi 262 GPa 38 Msi 21 GPa 3 Msi 25 GPa 3.6 Msi ETW ASTM D MPa 12 ksi 8 MPa 116 ksi 596 MPa 86 ksi 78 MPa 13 ksi ETW ASTM D GPa 36 Msi TBD 21 GPa 3 Msi 24 GPa 3.5 Msi Continued on page 4 Page 3/7

4 MECHANICAL PROPERTIES Continued from page 3 Properties Condition Method Results (a) Results (b) Results (c) Results (d) Interlaminar Shear Strength Interlaminar Shear Strength Interlaminar Shear Strength RTD ASTM D MPa 8.5 ksi 58 MPa 8.5 ksi 63 MPa 9 ksi 58 MPa 8.5 ksi ETD ASTM D MPa 7.7 ksi 48 MPa 6.9 ksi 54 MPa 8 ksi 43 MPa 6.2 ksi ETW ASTM D MPa 6.9 ksi 44 MPa 6.4 ksi 48 MPa 7 ksi 46 MPa 6.6 ksi (a) Laminate Type: Toray M55J, 9gsm,, uni-directional tape. Cure Parameters: Autoclave cure at 85 psi, 3 hours at. Post cure is for 2 hours. ETD is 71 C (16 F). ETW is 71 C (16 F), 85% RH, 21 days. Data normalized to 55% fiber volume. (b) Laminate Type: Toray M55J, 9gsm,, uni-directional tape. Cure Parameters: Autoclave cure at 85 psi, 3 hours at. Data normalized to 55% fiber volume. (c) Laminate Type: Astroquartz 4581 AQ III, FAW 284gsm, 38 ± 3% resin content. Cure Parameters: Autoclave cure at 1 psi, 3 hours at. Post cure is for 2 hours. Toray M55J provided by ITT Space Systems Division. (d) Laminate Type: Astroquartz 4581 AQ III, FAW 284gsm, 38 ± 3% resin content. Cure Parameters: Autoclave cure at 1 psi, 3 hours at. LAMINATE Tg s ON QUARTZ LAMINATES Dry T g by DMA with cure for 3 hours Dry T g by DMA with post cure for 2 hours Wet T g by DMA with cure Wet T g by DMA with post cure 116 C (241 F) 179 C (354 F) 113 C (235 F) 169 C (336 F) Page 4/7

5 MECHANICAL PERFORMANCE ON 4581 AQIII FABRIC RT 71 C (16 F) Dry 71 C (16 F) Wet RT 71 C (16 F) Dry 71 C (16 F) Wet Test Details Cure temp. = 3 hours cure Cure temp. = 2 hours cure Wet Conditioning = 71 C (16 F), 85% RH for 21 days Data normalized to 55% fiber volume DIELECTRIC DATA ON QUARTZ LAMINATE AT 1 GHZ Results Properties Method 35 F () Cure 25 F () Cure Dielectric Constant (Dk) ASTM D Loss Tangent (Df) ASTM D Page 5/7

6 CURE SCHEDULE 3 hours at optional post cure at (33 F) for 2 hours for higher T g cure pressure ramp rate. DIELECTRIC COMPARISON BETWEEN TENCATE PRODUC Dk Df TC41 BTCy-2 BTCy-1A BTCy-1 EX-1515 Dk Df CURING PROFILE Page 6/7

7 DYNAMIC VISCOSITY Temperature profile: 1.7 C (3 F) min to, holding until gel TYPICAL COMPOSITE LAMINATE STACKING SEQUENCE List of Materials 1. Tool aluminum, steel, Invar, composite (tool plates must be release coated or film covered) 2. Release coat or film Frekote 7NC or 77NC, FEP, TEDLAR 3. Silicone edge dams thicker than laminate 4. Laminate 5. Release film 6. Caul plate aluminum, steel, Invar, silicone rubber sheet (metal caul plates must be release coated or wrapped) oz/yd 2 polyester breather 1 or more 8. Vacuum bag 9. Vacuum sealant 1. Glass yarn string (alternatively or additionally breather may wrap over top of dam to contact edge) Figure 1 Revised 8/218 Page 7/ All data given is based on representative samples of the materials in question. Since the method and circumstances under which these materials are processed and tested are key to their performance, and TenCate has no assurance of how its customers will use the material, the corporation cannot guarantee these properties. TenCate, (TenCate) AmberTool, (TenCate) Cetex, TenCate MicroPly, and all other related characters, logos, and trade names are claims and/or registered trademarks of Koninklijke Ten Cate B.V. or Toray Industries Inc. and/or its subsidiaries in one or more countries. Use of trademarks, trade names, and other IP rights of Royal TenCate without the express written approval of TenCate is strictly prohibited Sutter Blvd. Morgan Hill, CA 9537 USA t Cordelia Road Fairfield, CA USA t Amber Drive, Langley Mill Nottingham, NG16 4BE UK t +44 () info@tcac-usa.com (North America/Asia) tcacsales@tencate.com (Europe)